--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/public/WebCommonWorkerClient.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WebCommonWorkerClient_h
+#define WebCommonWorkerClient_h
+
+namespace WebKit {
+
+class WebApplicationCacheHost;
+class WebApplicationCacheHostClient;
+class WebFrame;
+class WebNotificationPresenter;
+class WebString;
+class WebWorker;
+class WebWorkerClient;
+
+// Provides an interface back to the in-page script object for a worker.
+// This interface contains common APIs used by both shared and dedicated
+// workers.
+// All functions are expected to be called back on the thread that created
+// the Worker object, unless noted.
+class WebCommonWorkerClient {
+public:
+    virtual void postExceptionToWorkerObject(
+        const WebString& errorString, int lineNumber,
+        const WebString& sourceURL) = 0;
+
+    // FIXME: the below is for compatibility only and should be   
+    // removed once Chromium is updated to remove message
+    // destination parameter <http://webkit.org/b/37155>.
+    virtual void postConsoleMessageToWorkerObject(int, int sourceIdentifier, int messageType, int messageLevel,
+                                                  const WebString& message, int lineNumber, const WebString& sourceURL) = 0;
+
+    virtual void postConsoleMessageToWorkerObject(int sourceIdentifier, int messageType, int messageLevel,
+                                                  const WebString& message, int lineNumber, const WebString& sourceURL)
+    {
+        postConsoleMessageToWorkerObject(0, sourceIdentifier, messageType, messageLevel,
+                                         message, lineNumber, sourceURL);
+    }
+
+    virtual void workerContextClosed() = 0;
+    virtual void workerContextDestroyed() = 0;
+
+    // Returns the notification presenter for this worker context.  Pointer
+    // is owned by the object implementing WebCommonWorkerClient.
+    virtual WebNotificationPresenter* notificationPresenter() = 0;
+
+    // This can be called on any thread to create a nested WebWorker.
+    // WebSharedWorkers are not instantiated via this API - instead
+    // they are created via the WebSharedWorkerRepository.
+    virtual WebWorker* createWorker(WebWorkerClient* client) = 0;
+
+    // Called on the main webkit thread in the worker process during initialization.
+    virtual WebApplicationCacheHost* createApplicationCacheHost(WebApplicationCacheHostClient*) = 0;
+
+    // Called on the main webkit thread before opening a web database.
+    virtual bool allowDatabase(WebFrame*, const WebString& name, const WebString& displayName, unsigned long estimatedSize) = 0;
+
+protected:
+    ~WebCommonWorkerClient() { }
+};
+
+} // namespace WebKit
+
+#endif